Table 2 Results of the evaluation of averages and variances over k-mers of X and Z distributions on human chr 1. Large k-values approach the results Ek(|Z|) = 0.8 and σk(|Z|) = 0.6 expected from standard normal Z distributions
From: Inversion symmetry of DNA k-mer counts: validity and deviations
k | Ek[X] | Ek[|Z|] = Ek[X/σX] | σk[|Z|] |
|---|---|---|---|
1 | .0004 | 4.56 | 3.7 |
2 | .0006 | 3.26 | 2.4 |
3 | .00075 | 1.98 | 1.58 |
4 | .00125 | 1.34 | 1.12 |
5 | .002 | 1.07 | .86 |
6 | .004 | .93 | .75 |
7 | .0085 | 0.89 | .72 |
8 | .018 | 0.866 | .72 |
9 | .038 | 0.843 | .69 |
10 | 0.083 | 0.825 | .67 |